Background Information

Adaptations: Arthropods have an exoskeleton that prevents them from drying out and gives limbs a place to attach.

Objective

An examination of representative animals of Phylum Arthropoda would reveal certain similar traits. A list of these traits would form the basis for deciding if other animals should or should not be classified as arthropods.

Respiratory System

Function: The respiratory system is responsible for delivering sufficient oxygen to all cells of the body and for removing carbon dioxide that is produced as a waste product of cellular respiration.

Organs involved: trachea, mouth, air sacs, and gills/spiracles.

Extra Information

Crustaceans and Uniramians make up most of these organisms.

Arthropods make up 75% of all living and fossil organisms in the world.